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EMERSON 01C20 101S1 Analog Thermostat, Heat Only, 30V AC, Slide Switch - Analog Thermostats
EMERSONAnalog Thermostats

EMERSON 01C20 101S1 Analog Thermostat, Heat Only, 30V AC, Slide Switch

The EMERSON Low Voltage Thermostat: Heat Only is an analog thermostat designed for heat-only applications. It operates with a 30V AC supply and features an On-Off system setting controlled by a slide switch, with a…

SKU 3G-OTH-70876

Also listed as: 01C20101S1 · 01C20-101S1

Brand
EMERSON
Item
01C20 101S1 Analog Thermostat, Heat Only, 30V AC, Slide Switch
Part Number
01C20 101S1
Category
Analog Thermostats
Available to Order
Also known as:01C20 101S1EMERSON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

EMERSON
Manufacturer Part Number
01C20 101S1
Type
RH/W, No Fan Setting, On-Off, On-Off/No Fan Setting
Shape
Rectangle
Voltage
30V AC
Digit Size
Standard
Application
Heat Only
Control Type
Slide Switch
Fan Settings
No Fan Setting
System Settings
On-Off
Mounting Direction
Vertical
Terminal Designations
RH
Temperature Differential
2°F Heating, 4°F Cooling
Temperature Control Range
50° to 90°F

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EMERSON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EMERSON Low Voltage Thermostat: Heat Only is an analog thermostat designed for heat-only applications. It operates with a 30V AC supply and features an On-Off system setting controlled by a slide switch, with a temperature control range of 50° to 90°F and a heating differential of 2°F. The thermostat has a rectangular shape, mounts vertically, and uses RH terminal designations.

Frequently Asked Questions

What is the EMERSON 01C20 101S1 low voltage thermostat used for?

The EMERSON 01C20 101S1 is an analog thermostat designed for heat-only applications. It controls heating systems such as furnaces or boilers, operating at 30V AC with an On-Off slide switch and a temperature range of 50° to 90°F. It is suitable for residential or light commercial environments where no fan control is needed.

What are the specifications of the EMERSON 01C20 101S1 thermostat?

The EMERSON 01C20 101S1 is a rectangular analog thermostat for heat-only use. It operates at 30V AC, has a heating differential of 2°F and cooling differential of 4°F, and a temperature control range of 50° to 90°F. It features RH terminal designations, a slide switch for On-Off system settings, and vertical mounting with no fan setting.

Where to buy the EMERSON 01C20 101S1 thermostat worldwide?

3G Electric supplies the EMERSON 01C20 101S1 thermostat to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this analog thermostat for heat-only applications to any country.

How to install the EMERSON 01C20 101S1 low voltage thermostat?

To install the EMERSON 01C20 101S1, first turn off power to the heating system. Mount the thermostat vertically on a wall using the provided base. Connect the RH terminal to the 30V AC heating circuit. Set the slide switch to On-Off and adjust the temperature dial between 50° and 90°F. Restore power and verify heating operation.

Used in

Common applications for EMERSON
Residential HVAC — Emerson 1F87U-42WF low-voltage WiFi thermostat for 7-day programmable heat and cool control
Light commercial buildings — Emerson 2E399 line-voltage mechanical thermostat for indoor single-stage heating or cooling
Industrial process control — Emerson 586-314111 DC power solenoid for high-current switching in 24 V DC systems
Remote temperature sensing — Emerson F0145 132800S1 hardwired sensor for White-Rodgers 90 Series thermostats
Thermostat replacement — Emerson 3MY21 wall cover plate for White-Rodgers 1F80 Series installations
HVAC control panels — Emerson 1RC43 line-voltage thermostat with SPST switch for capillary bulb applications
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EMERSON Products

3G Electric supplies EMERSON analog thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This analog thermostat is designed for heat-only applications, controlling single-stage electric heating systems such as baseboard heaters or radiant ceilings. It features an exposed dial for temperature adjustment from 55° to 85°F, operates on 120 to 240V AC, and has a SPST switch action (open on rise). The dustproof case protects internal components in typical residential or light commercial environments
EMERSON
This analog thermostat is designed for heat-only applications, controlling single-stage electric heating systems such as baseboard heaters or radiant ceilings. It features an exposed dial for temperature adjustment from 55° to 85°F, operates on 120 to 240V AC, and has a SPST switch action (open on rise). The dustproof case protects internal components in typical residential or light commercial environments

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